---
title: CIMaximumScaleTransform
framework: coreimage
role: symbol
role_heading: Protocol
path: coreimage/cimaximumscaletransform
---

# CIMaximumScaleTransform

## Declaration

```swift
protocol CIMaximumScaleTransform : CIFilterProtocol
```

## Topics

### Instance Properties

- [aspectRatio](coreimage/cimaximumscaletransform/aspectratio.md)
- [inputImage](coreimage/cimaximumscaletransform/inputimage.md)
- [scale](coreimage/cimaximumscaletransform/scale.md)

## Relationships

### Inherits From

- [CIFilterProtocol](coreimage/cifilterprotocol.md)

## See Also

### Protocols

- [CIAreaBoundsRed](coreimage/ciareaboundsred.md)
- [CIToneMapHeadroom](coreimage/citonemapheadroom.md)